[math] Forum Topics

Here is my code. I have a problem with the decimals when it comes to "temp /= 100.0". montant = 61; for (int i=0 ; i<7 ; i++) { if (i != posCreancier) { temp = montant/7.0; (temp == 8.7142857142857135) temp *= 100; (temp == 871.42857142857133) temp += 0.5; (temp …

For any integer n > 1, if Al, A2, A3, ... , An, and B are any sets, then (A1 -B) (A2 -B) ... (An -B) = (Al A2 A3 … An) -B. I was able to prove for all sets A, B, and C, (A -B)(C -B)= (AC) - …

**the code works perfectly, just i got something i dont understand...** i'v been trying to get a hold of recursion and sorting for about 3-4 days now, im getting some of it, but still not happy enough.. i searched for some good code for binary search and merge sort on …

Hello, I have this code: mysql_query("UPDATE users SET BasicLevel = BasicLevel +1 where username='Admin'"); but its not increasing the integer. The field names are correct as well as the username. Can anyone help me? And yes, I am connected to the database.

Hi guys! So I need help with a small problem. I'm using a char pointer array which contains a mathematical expression. For example: "sqrt 25" Now I want to use the inbuild c++ function `sqrt(int))`. I'm first searching in the array for the letters 'sqrt' so that my custom function …

Hi I'm been trying to enter numbers into the <input> so I can calculate **Add** - **Subtract** - **Divide** - **Multiply**. This is the equations: <?php $number = 20; $number += 10; print "\$number += 10;<br /> The answer is <b>$number</b>. <br /><br />"; $number -= 12; print "\$number -= …

So I'm beginner starting software enginering studies here condition: Given number n ( n<=9999) need to identify if this n is palindrom(ex. 7777,8228,0220...). Need to write in c++ language.thanks

Prove that there is a positive integer that can be written as the sum of squares of positive integers in two different ways. For some reason this is not clicking in my head and I can not figure it out. Any help will be greatly appreciated and I would appreciate …

d

Hey guys, its been quite a while since ive posted here :-( Im making a game in java (nope not for school, just for fun) Anyway, ive created some logic for an enemySuicideBomber(spaceship game, prolly not what your thinking) to select the closest location. It works for the most part, …

hello world! I would like to get tutorials and lecture notes for designing a time management software where a print option is also included for the user to print out a weekly planner. cheers.

public static void sumOfSquareRoots() { Scanner scan = new Scanner( System.in ); double value; // read in a double System.out.print ("Enter a double:"); value = scan.nextDouble(); // calculate its square root double result = Math.sqrt( value ); // write out the result System.out.println("square root of your number is " + …

This is an old trick my dad taught me 23 years ago, this is not popular though and I don't know if many of you knew this already. It is multiplying numbers 6 to 9 using your fingers. Here's the link for step by step guide. **http://sassymomonthego.hubpages.com/hub/multiply-using-your-fingers**

I have some line of javascript which is works well if it gets value from the same series of names. But I have a problem later when each values passed to another page which I'd like to break down which value is belongs to. So the question is how can …

I made a simple program - conservative sequence integers with a sum, for example input: 15, the output should be 1, 2, 3, 4, 5 I made this program in c++ and it worked successfully, see below: #include <iostream> #include <string> using namespace std; int main() { int num, i, …

Basically I have found myself stuck in a math problem, any possibilities for assistance? I know this is java but I figured there must be a java programmer out there that knows how to solve this? c=95% In small NY towns (population < 30000) a sample of 22 libraries had …

i have two string .One has sentence of Devanagari /Nepali langauge="संसार भरी साथी बनाऔ" and next i have the vowels of Nepali Language".I have created the array of both the array and compared each letter. But i got trouble while append the vowels to letter and get the required array …

I need a code which can solve the equations like this :- 56*78+(78/8) In this we know that brackets must be solved first and then divide/multiply and then add/subtract. So, i need a code for solving this kind of equations which contains multiple operators in single line. Thnks :)

I’m trying to produce this equation in VB.NET h = (sh * s + (dia / 2 (tan(ang))) + ((dia / 2 (tan(ang1))) / 3)) This is where I’d prefer to retrieve the data from. Sh = sheet height = 1 (can be variable)(data retrieved from textbox) S = sheets …

I'm making a math problem generator in visual c#, using a series of random number generators to create a unique math problem each time with some protocols implemented(later to use this for harder difficulties). There are different types of math to be used but right now I'm working on a …

I know this is a simple quetsion but I am stuck. I need to create a view that displays the discount house price by 5%. CREATE VIEW v_hou_discount AS SELECT hou_price - (hou_price * '.05') as '5% Discount Price' from house; What am I doing wrong?

Good evening I'm running a tipping competition, and am hoping to make the updating slightly less tedious. The code currently reads as follows: <?php $query = " SELECT SUM(comptipsterselections.profit) as Profit, comptipsterselections.stable, comptipsterboard.link FROM comptipsterselections INNER JOIN comptipsterboard ON comptipsterselections.stable=comptipsterboard.stable WHERE comptipsterselections.comp = 'aintree 2010' GROUP BY comptipsterselections.stable, comptipsterboard.link ORDER …

I can't seem to figure out what I'm missing. After the end user selects one or more classes, they go to a page that runs a foreach statement to determine which discount to use on each class. But it doesn't seem to be adding the resulting total to the array, …

Hello friends As I am a beginner of C# in .NET , I got stuck in this program This program is about displaying prime numbers between the range of o and the number you entered. Its running properly.But the output is not correct. Here is my coding [CODE]using System; using …

Hi, I need to build a rating system for a travel community . It will contain user preferences such as say average time of the aircraft,aircraft age,legroom,number of stops, route quality. These might be modelled as checkboxes on my web page. The user can then select which all criterias he …

So this is mainly a Design/Clean Coding sort of question, I know I've read something about this previously but I can't find it, I believe it's in one of my reference books on C/C++ so it wouldn't likely be useful to my predicament. This question includes a lot of Java …

I need help for another one of my assignments for CS Class. On the rubric, one of the part said: > all characters are shifted right by two positions and the last two characters becomes the first two characters The condition is that the string has to be entered by …

Without using /,% and * operators. write a function to divide a number by 3, itoa() function is available.

import java.util.*; import java.io.IOException; import java.util.Scanner; import java.util.Random; public class LinkedListProgram { public static void main(String[] args) throws IOException { int i,number, ran; Scanner sc = new Scanner(System.in); LinkedList<Integer> list = new LinkedList<Integer>(); ListIterator li; String line; Random random = new Random(); int pick = random.nextInt(150); System.out.println("Enter # of nodes"); …

I need to calculate chi squared cdf from x->infinity with n=255 degrees of freedom. I cannot seem to get it to work. You can find formulae for chi squared distributions using google. Here is my non-functional approximation code: double riemannsum(double(*fnc)(double),double dx, double xmin, double xmax) { double ret=0; double x=xmin; …